Encyclopedia of Practical Receipts and Processes

How to silver a mirror, brew ginger beer, kill moths, make fireworks, tan a hide, bronze iron, cure a ham and clean a straw hat: William B. Dick's numbered encyclopedia answered the questions a nineteenth-century household actually had.

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Indigo Test Paper

From a solution of indigo; loses its color in contact with chlorine. 4414. Iodide of Potassium Test Paper. From a solution of it in distilled water; turned blue by an acidulated solution of starch.

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